public QueryLoader(QueryTranslatorImpl queryTranslator, ISessionFactoryImplementor factory, SelectClause selectClause)
: base(factory)
{
_queryTranslator = queryTranslator;
Initialize(selectClause);
PostInstantiate();
}
public void ValidateTypes(SelectClause selectClause)
{
IType[] selectTypes = selectClause.QueryReturnTypes;
if (selectTypes.Length != _types.Length)
{
throw new QueryException("number of select types did not match those for insert");
}
for (int i = 0; i < _types.Length; i++)
{
if (!AreCompatible(_types[i], selectTypes[i]))
{
throw new QueryException(
"insertion type [" + _types[i] + "] and selection type [" +
selectTypes[i] + "] at position " + i + " are not compatible"
);
}
}
// otherwise, everything ok.
}
private void Initialize(SelectClause selectClause)
{
IList<FromElement> fromElementList = selectClause.FromElementsForLoad;
_hasScalars = selectClause.IsScalarSelect;
_scalarColumnNames = selectClause.ColumnNames;
//sqlResultTypes = selectClause.getSqlResultTypes();
_queryReturnTypes = selectClause.QueryReturnTypes;
_selectNewTransformer = HolderInstantiator.CreateSelectNewTransformer(selectClause.Constructor, selectClause.IsMap, selectClause.IsList);
_queryReturnAliases = selectClause.QueryReturnAliases;
IList<FromElement> collectionFromElements = selectClause.CollectionFromElements;
if (collectionFromElements != null && collectionFromElements.Count != 0)
{
int length = collectionFromElements.Count;
_collectionPersisters = new IQueryableCollection[length];
_collectionOwners = new int[length];
_collectionSuffixes = new string[length];
for (int i = 0; i < length; i++)
{
FromElement collectionFromElement = collectionFromElements[i];
_collectionPersisters[i] = collectionFromElement.QueryableCollection;
_collectionOwners[i] = fromElementList.IndexOf(collectionFromElement.Origin);
// collectionSuffixes[i] = collectionFromElement.getColumnAliasSuffix();
// collectionSuffixes[i] = Integer.toString( i ) + "_";
_collectionSuffixes[i] = collectionFromElement.CollectionSuffix;
}
}
int size = fromElementList.Count;
_entityPersisters = new IQueryable[size];
_entityEagerPropertyFetches = new bool[size];
_entityAliases = new String[size];
_sqlAliases = new String[size];
_sqlAliasSuffixes = new String[size];
_includeInSelect = new bool[size];
_owners = new int[size];
_ownerAssociationTypes = new EntityType[size];
for (int i = 0; i < size; i++)
{
FromElement element = fromElementList[i];
_entityPersisters[i] = (IQueryable) element.EntityPersister;
if (_entityPersisters[i] == null)
{
throw new InvalidOperationException("No entity persister for " + element);
}
_entityEagerPropertyFetches[i] = element.IsAllPropertyFetch;
_sqlAliases[i] = element.TableAlias;
_entityAliases[i] = element.ClassAlias;
_sqlAliasByEntityAlias.Add(_entityAliases[i], _sqlAliases[i]);
// TODO should we just collect these like with the collections above?
_sqlAliasSuffixes[i] = (size == 1) ? "" : i + "_";
// sqlAliasSuffixes[i] = element.getColumnAliasSuffix();
_includeInSelect[i] = !element.IsFetch;
if (_includeInSelect[i])
{
_selectLength++;
}
_owners[i] = -1; //by default
if (element.IsFetch)
{
if (element.IsCollectionJoin || element.QueryableCollection != null)
{
// This is now handled earlier in this method.
}
else if (element.DataType.IsEntityType)
{
var entityType = (EntityType) element.DataType;
if (entityType.IsOneToOne)
{
_owners[i] = fromElementList.IndexOf(element.Origin);
}
_ownerAssociationTypes[i] = entityType;
}
}
}
//NONE, because its the requested lock mode, not the actual!
_defaultLockModes = ArrayHelper.Fill(LockMode.None, size);
}
public void ValidateTypes(SelectClause selectClause)
{
IType[] selectTypes = selectClause.QueryReturnTypes;
if (selectTypes.Length != _types.Length)
{
throw new QueryException("number of select types did not match those for insert");
}
for (int i = 0; i < _types.Length; i++)
{
if (!AreCompatible(_types[i], selectTypes[i]))
{
throw new QueryException(
"insertion type [" + _types[i] + "] and selection type [" +
selectTypes[i] + "] at position " + i + " are not compatible"
);
}
}
// otherwise, everything ok.
}
private void CreateSelectClauseFromFromClause(IASTNode qn)
{
// TODO - check this. Not *exactly* the same logic as the Java original
qn.InsertChild(0, (IASTNode)adaptor.Create(SELECT_CLAUSE, "{derived select clause}"));
_selectClause = ( SelectClause ) qn.GetChild(0);
_selectClause.InitializeDerivedSelectClause( _currentFromClause );
if ( log.IsDebugEnabled )
{
log.Debug( "Derived SELECT clause created." );
}
}
private void UseSelectClause(IASTNode select)
{
_selectClause = (SelectClause) select;
_selectClause.InitializeExplicitSelectClause(_currentFromClause);
}
public override object Create(IToken payload)
{
if (payload == null)
{
return base.Create(payload);
}
object ret;
switch (payload.Type)
{
case HqlSqlWalker.SELECT:
case HqlSqlWalker.QUERY:
ret = new QueryNode(payload);
break;
case HqlSqlWalker.UPDATE:
ret = new UpdateStatement(payload);
break;
case HqlSqlWalker.DELETE:
ret = new DeleteStatement(payload);
break;
case HqlSqlWalker.INSERT:
ret = new InsertStatement(payload);
break;
case HqlSqlWalker.INTO:
ret = new IntoClause(payload);
break;
case HqlSqlWalker.FROM:
ret = new FromClause(payload);
break;
case HqlSqlWalker.FROM_FRAGMENT:
ret = new FromElement(payload);
break;
case HqlSqlWalker.IMPLIED_FROM:
ret = new ImpliedFromElement(payload);
break;
case HqlSqlWalker.DOT:
ret = new DotNode(payload);
break;
case HqlSqlWalker.INDEX_OP:
ret = new IndexNode(payload);
break;
// Alias references and identifiers use the same node class.
case HqlSqlWalker.ALIAS_REF:
case HqlSqlWalker.IDENT:
ret = new IdentNode(payload);
break;
case HqlSqlWalker.SQL_TOKEN:
ret = new SqlFragment(payload);
break;
case HqlSqlWalker.METHOD_CALL:
ret = new MethodNode(payload);
break;
case HqlSqlWalker.ELEMENTS:
case HqlSqlWalker.INDICES:
ret = new CollectionFunction(payload);
break;
case HqlSqlWalker.SELECT_CLAUSE:
ret = new SelectClause(payload);
break;
case HqlSqlWalker.SELECT_EXPR:
ret = new SelectExpressionImpl(payload);
break;
case HqlSqlWalker.AGGREGATE:
ret = new AggregateNode(payload);
break;
case HqlSqlWalker.COUNT:
ret = new CountNode(payload);
break;
case HqlSqlWalker.CONSTRUCTOR:
ret = new ConstructorNode(payload);
break;
case HqlSqlWalker.NUM_INT:
case HqlSqlWalker.NUM_FLOAT:
case HqlSqlWalker.NUM_LONG:
case HqlSqlWalker.NUM_DOUBLE:
case HqlSqlWalker.NUM_DECIMAL:
case HqlSqlWalker.QUOTED_String:
ret = new LiteralNode(payload);
break;
case HqlSqlWalker.TRUE:
case HqlSqlWalker.FALSE:
ret = new BooleanLiteralNode(payload);
break;
case HqlSqlWalker.JAVA_CONSTANT:
ret = new JavaConstantNode(payload);
break;
case HqlSqlWalker.ORDER:
ret = new OrderByClause(payload);
break;
case HqlSqlWalker.PLUS:
case HqlSqlWalker.MINUS:
case HqlSqlWalker.STAR:
case HqlSqlWalker.DIV:
case HqlSqlWalker.BAND:
case HqlSqlWalker.BOR:
case HqlSqlWalker.BXOR:
ret = new BinaryArithmeticOperatorNode(payload);
break;
case HqlSqlWalker.UNARY_MINUS:
case HqlSqlWalker.UNARY_PLUS:
case HqlSqlWalker.BNOT:
ret = new UnaryArithmeticNode(payload);
break;
case HqlSqlWalker.CASE2:
ret = new Case2Node(payload);
break;
case HqlSqlWalker.CASE:
ret = new CaseNode(payload);
break;
case HqlSqlWalker.PARAM:
case HqlSqlWalker.NAMED_PARAM:
ret = new ParameterNode(payload);
break;
case HqlSqlWalker.EQ:
case HqlSqlWalker.NE:
case HqlSqlWalker.LT:
case HqlSqlWalker.GT:
case HqlSqlWalker.LE:
case HqlSqlWalker.GE:
case HqlSqlWalker.LIKE:
case HqlSqlWalker.NOT_LIKE:
ret = new BinaryLogicOperatorNode(payload);
break;
case HqlSqlWalker.IN:
case HqlSqlWalker.NOT_IN:
ret = new InLogicOperatorNode(payload);
break;
case HqlSqlWalker.BETWEEN:
case HqlSqlWalker.NOT_BETWEEN:
ret = new BetweenOperatorNode(payload);
break;
case HqlSqlWalker.IS_NULL:
ret = new IsNullLogicOperatorNode(payload);
break;
case HqlSqlWalker.IS_NOT_NULL:
ret = new IsNotNullLogicOperatorNode(payload);
break;
case HqlSqlWalker.EXISTS:
ret = new UnaryLogicOperatorNode(payload);
break;
default:
ret = new SqlNode(payload);
break;
}
Initialise(ret);
return ret;
}
public override object Create(IToken payload)
{
if (payload == null)
{
return(base.Create(payload));
}
object ret;
switch (payload.Type)
{
case HqlSqlWalker.SELECT:
case HqlSqlWalker.QUERY:
ret = new QueryNode(payload);
break;
case HqlSqlWalker.UPDATE:
ret = new UpdateStatement(payload);
break;
case HqlSqlWalker.DELETE:
ret = new DeleteStatement(payload);
break;
case HqlSqlWalker.INSERT:
ret = new InsertStatement(payload);
break;
case HqlSqlWalker.INTO:
ret = new IntoClause(payload);
break;
case HqlSqlWalker.FROM:
ret = new FromClause(payload);
break;
case HqlSqlWalker.FROM_FRAGMENT:
ret = new FromElement(payload);
break;
case HqlSqlWalker.IMPLIED_FROM:
ret = new ImpliedFromElement(payload);
break;
case HqlSqlWalker.DOT:
ret = new DotNode(payload);
break;
case HqlSqlWalker.INDEX_OP:
ret = new IndexNode(payload);
break;
// Alias references and identifiers use the same node class.
case HqlSqlWalker.ALIAS_REF:
case HqlSqlWalker.IDENT:
ret = new IdentNode(payload);
break;
case HqlSqlWalker.SQL_TOKEN:
ret = new SqlFragment(payload);
break;
case HqlSqlWalker.METHOD_CALL:
ret = new MethodNode(payload);
break;
case HqlSqlWalker.ELEMENTS:
case HqlSqlWalker.INDICES:
ret = new CollectionFunction(payload);
break;
case HqlSqlWalker.SELECT_CLAUSE:
ret = new SelectClause(payload);
break;
case HqlSqlWalker.SELECT_EXPR:
ret = new SelectExpressionImpl(payload);
break;
case HqlSqlWalker.AGGREGATE:
ret = new AggregateNode(payload);
break;
case HqlSqlWalker.COUNT:
ret = new CountNode(payload);
break;
case HqlSqlWalker.CONSTRUCTOR:
ret = new ConstructorNode(payload);
break;
case HqlSqlWalker.NUM_INT:
case HqlSqlWalker.NUM_FLOAT:
case HqlSqlWalker.NUM_LONG:
case HqlSqlWalker.NUM_DOUBLE:
case HqlSqlWalker.QUOTED_String:
ret = new LiteralNode(payload);
break;
case HqlSqlWalker.TRUE:
case HqlSqlWalker.FALSE:
ret = new BooleanLiteralNode(payload);
break;
case HqlSqlWalker.JAVA_CONSTANT:
ret = new JavaConstantNode(payload);
break;
case HqlSqlWalker.ORDER:
ret = new OrderByClause(payload);
break;
case HqlSqlWalker.PLUS:
case HqlSqlWalker.MINUS:
case HqlSqlWalker.STAR:
case HqlSqlWalker.DIV:
case HqlSqlWalker.BAND:
case HqlSqlWalker.BOR:
case HqlSqlWalker.BXOR:
ret = new BinaryArithmeticOperatorNode(payload);
break;
case HqlSqlWalker.UNARY_MINUS:
case HqlSqlWalker.UNARY_PLUS:
case HqlSqlWalker.BNOT:
ret = new UnaryArithmeticNode(payload);
break;
case HqlSqlWalker.CASE2:
ret = new Case2Node(payload);
break;
case HqlSqlWalker.CASE:
ret = new CaseNode(payload);
break;
case HqlSqlWalker.PARAM:
case HqlSqlWalker.NAMED_PARAM:
ret = new ParameterNode(payload);
break;
case HqlSqlWalker.EQ:
case HqlSqlWalker.NE:
case HqlSqlWalker.LT:
case HqlSqlWalker.GT:
case HqlSqlWalker.LE:
case HqlSqlWalker.GE:
case HqlSqlWalker.LIKE:
case HqlSqlWalker.NOT_LIKE:
ret = new BinaryLogicOperatorNode(payload);
break;
case HqlSqlWalker.IN:
case HqlSqlWalker.NOT_IN:
ret = new InLogicOperatorNode(payload);
break;
case HqlSqlWalker.BETWEEN:
case HqlSqlWalker.NOT_BETWEEN:
ret = new BetweenOperatorNode(payload);
break;
case HqlSqlWalker.IS_NULL:
ret = new IsNullLogicOperatorNode(payload);
break;
case HqlSqlWalker.IS_NOT_NULL:
ret = new IsNotNullLogicOperatorNode(payload);
break;
case HqlSqlWalker.EXISTS:
ret = new UnaryLogicOperatorNode(payload);
break;
default:
ret = new SqlNode(payload);
break;
}
Initialise(ret);
return(ret);
}